Is a 15 kW solar system right for my property?

A 15 kW system uses 28 u00d7 550 W panels, needs 1,050 u2013 1,350 sq ft of shade-free roof, and generates about 21,000 units a year in Kerala - about 1,750 units a month as an annual average. It typically suits commercial and industrial premises - offices, showrooms, small factories, institutions and campuses with strong weekday daytime load. A site survey confirms the size against your actual KSEB bills and usable roof area before anything is recommended.

How much roof does a 15 kW system need?

About 1,050 u2013 1,350 sq ft, and it has to stay clear of shade between roughly 9 am and 4 pm.

How much will a 15 kW system generate in Kerala?

about 21,000 units a year, or about 1,750 units a month as an annual average, on a well-oriented roof.

What subsidy applies to a 15 kW system?

Not applicable on commercial connections under PM Surya Ghar. The scheme pays u20b930,000 per kW for the first 2 kW and u20b918,000 for the third, capped at u20b978,000 for 3 kW and above, and it applies to residential connections only.

What does a 15 kW system cost?

We do not publish prices, because the figure depends on your roof, your location and the components chosen. The free site survey produces a written proposal with the exact make and model of every component and a firm figure.

15 kW · Commercial & industrial

15 kW solar system in Kochi & Ernakulam

about 21,000 units a year. 1,050 – 1,350 sq ft of shade-free roof. Suits a monthly KSEB bill of roughly ₹11,400 – ₹14,400.

Free site survey · written proposal in 24 hours

At a glance

Panels
28 × 550 W

Roof needed
1,050 – 1,350 sq ft

Generates
about 21,000 units

Suits a bill of
₹11,400 – ₹14,400

15 kW in figures

What a 15 kW system is, in numbers

System

Capacity

15 kW grid-tied

Panels

28 × 550 W

Inverter

15 kW three-phase string

Shade-free roof

1,050 – 1,350 sq ft

Output & scheme

Monthly average

about 1,750 units

Yearly

about 21,000 units

Suits a monthly bill of

₹11,400 – ₹14,400

PM Surya Ghar subsidy

Not applicable on commercial connections

At 15 kW the design follows the daytime load curve rather than the annual unit total, because the value comes from consuming generation on site rather than exporting it.